US11034370B2 - Multifunctional folding trolley - Google Patents
Multifunctional folding trolley Download PDFInfo
- Publication number
- US11034370B2 US11034370B2 US16/614,557 US201816614557A US11034370B2 US 11034370 B2 US11034370 B2 US 11034370B2 US 201816614557 A US201816614557 A US 201816614557A US 11034370 B2 US11034370 B2 US 11034370B2
- Authority
- US
- United States
- Prior art keywords
- tray
- pillar group
- disposed
- positioning
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
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- 241000219122 Cucurbita Species 0.000 claims description 3
- 235000009852 Cucurbita pepo Nutrition 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/002—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by a rectangular shape, involving sidewalls or racks
- B62B3/005—Details of storage means, e.g. drawers, bins or racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
- B62B3/022—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible folding down the body to the wheel carriage or by retracting projecting parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
- B62B3/025—Foldable roll containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/20—Catches; Locking or releasing an articulation
- B62B2205/23—Catches; Locking or releasing an articulation foot operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/30—Detachable, retractable or collapsible load supporting means
- B62B2205/32—Shelves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/30—Detachable, retractable or collapsible load supporting means
- B62B2205/32—Shelves
- B62B2205/33—Shelves stowed in a vertical position
Definitions
- the present invention relates to the technical field of trolleys, and in particular to a multifunctional folding trolley.
- a trolley is often used to carry tool items.
- most of the trolleys on the market have single functions, limited use occasions, large occupancy space, and high cost of packaging and transportation. Thus comes the present invention.
- An object of the present invention is to provide a multifunctional folding trolley that can be folded into different states for different occasions.
- the present invention provides a technical solution as follows:
- a multifunctional folding trolley comprising four pillars, and a first tray, a second tray and a third tray arranged from top to bottom; the first tray is disposed at the upper end of the four pillars, the second tray is disposed at the middle of the four pillars, and the third tray is disposed at the lower end of the four pillars and provided at the bottom with roller feet; the four pillars, arranged in a cubic shape with side openings, comprise a first pillar group and a second pillar group arranged front and rear in the direction of motion; with one end of the first tray in the length direction detachably disposed on the second pillar group, the first tray is provided at the other end in the length direction with a folding point associated with the first pillar group, such that it can be folded to attach to the first pillar group;
- the second tray is provided at the other end in the length direction with a folding point associated with the second pillar group, such that it can be folded to attach to the second pillar group;
- the first pillar group having a folding point associated with the third tray, can be folded to attach to the third tray;
- the second pillar group having a folding point associated with the third tray, can be folded to attach to the first tray.
- the first pillar group is connected at the upper portion by a connecting rod; a positioning rod is respectively disposed at both ends of the first tray in the width direction; and a positioning groove matching the positioning rod is disposed at the upper end of the second pillar group.
- the first pillar group is provided at the upper portion with a fixing seat, on which the first tray is rotatably disposed.
- the fixing seat comprises a fixing portion fixed on a sidewall of the first pillar group, and a rotating portion extending to a side of the first pillar group facing away from the second pillar group, with the first tray rotatably disposed on the rotating portion.
- a positioning hole is disposed on a side of the first pillar group facing the second pillar group; and a positioning pin matching the positioning hole is disposed on the second tray.
- the positioning hole comprises a first positioning hole and a second positioning hole in communication with each other up and down to form a gourd hole;
- the positioning pin comprises a second pin fixed on the second tray and a first pin arranged at the end of the second pin, the outer diameter of the first pin being larger than that of the second pin; the first pin matches the first positioning hole, and the second pin matches the second positioning hole.
- a chute disposed between a middle portion of the second pillar group and the third tray, extends along the length direction of the second pillar group and is bent at the upper end to form a positioning groove;
- a positioning bar disposed on the outer wall of the second tray, matches the positioning groove and the chute, and extends from the outer wall of the second tray to the second pillar group.
- the third tray is provided with a hinged seat, on which the lower end of the first pillar group is hinged.
- the third tray is respectively provided at both ends in the width direction with a limit seat, which comprises two limit plates arranged in parallel; the lower portion of the second pillar group is rotatably disposed on the front portion of the two limit plates by the rotating shaft, and the limit plates are provided in the rear with a through slot provided at an angle to the horizontal direction; a limit rod, disposed in the through slot, is connected with the rotating shaft through an elastic member, with the two limit rods connected by a connecting portion; when the elastic member is in a compressed state, the limit rod is located at an upper end of the through slot to vertically limit the second pillar group, and is pulled to move to the lower end of the through slot by the connecting portion, with the second pillar group rotatably folded along the limit seat.
- a limit seat which comprises two limit plates arranged in parallel; the lower portion of the second pillar group is rotatably disposed on the front portion of the two limit plates by the rotating shaft, and the limit plates are provided in the rear with a through slot provided at an angle to the horizontal direction
- the second pillar group is provided at the upper portion with a pusher.
- the present invention has the following advantages:
- the trolley can be folded into different states for different occasions, with simple structure, wide application range and low use cost.
- FIG. 1 is a schematic structural view of a multifunctional folding trolley in a three-deck state according to an example of the present invention
- FIG. 2 is a schematic structural view of being folded into a two-deck state according to an example of the present invention
- FIG. 3 shows a second tray folding process according to an example of the present invention
- FIG. 4 is a partial enlarged view of a position A in FIG. 3 ;
- FIG. 5 is a partial enlarged view of a position B in FIG. 3 ;
- FIG. 6 is a partial enlarged view of a position C in FIG. 3 ;
- FIG. 7 is a schematic structural view after the second tray is folded according to an example of the present invention.
- FIG. 8 is a partial enlarged view of a position D in FIG. 7 ;
- FIG. 9 is a schematic structural view of being folded into a single-deck trolley according to an example of the present invention.
- FIG. 10 is a schematic structural view after the trolley is completely folded according to an example of the present invention.
- a multifunctional folding trolley comprising four pillars, and a first tray 3 , a second tray 4 and a third tray 5 arranged from top to bottom;
- the first tray 3 is disposed at the upper end of the four pillars
- the second tray 4 is disposed at the middle of the four pillars
- the third tray 5 is disposed at the lower end of the four pillars and provided at the bottom with roller feet 14 ;
- the four pillars, arranged in a cubic shape with side openings, comprise a first pillar group 1 and a second pillar group 2 arranged front and rear in the direction of motion of the trolley.
- the first tray 3 With one end of the first tray 3 in the length direction detachably disposed on the second pillar group 2 , the first tray 3 is provided at the other end in the length direction with a folding point associated with the first pillar group 1 , such that it can be folded to attach to the first pillar group to fold the three-deck trolley into a two-deck trolley.
- a positioning rod 3 - 1 is respectively disposed at both ends of the first tray 3 in the width direction, and a positioning groove 2 - 1 matching the positioning rod 3 - 1 is disposed at the upper end of the second pillar group 2 ; in use, the positioning rod 3 - 1 is placed in the positioning groove 2 - 1 to fix the first tray 3 on the second pillar group 2 ; in order to improve the stability of the trolley, the first pillar group 1 is connected by a connecting rod 16 , which is disposed at the upper portion of the first pillar group 1 .
- the upper end of the connecting rod 16 is on the same plane as the upper end face of the first pillar group 1 ;
- the first pillar group 1 is provided at the upper portion with a fixing seat 6 , on which the first tray 3 is rotatably disposed;
- the fixing seat 6 comprises a fixing portion 6 - 1 fixed on a sidewall of the first pillar group 1 , and a rotating portion 6 - 2 extending to a side of the first pillar group 1 facing away from the second pillar group 2 , with the first tray 3 rotatably disposed on the rotating portion 6 - 2 ;
- the first tray 3 can be rotated and folded along the first pillar group 1 and then attached to the front side of the first pillar group 1 .
- the second tray 4 With one end of the second tray 4 in the length direction detachably disposed on the first pillar group 1 , the second tray 4 is provided at the other end in the length direction with a folding point associated with the second pillar group 2 , such that it can be folded to attach to the second pillar group 2 .
- a positioning hole 1 - 1 is disposed on a side of the first pillar group 1 facing the second pillar group 2 , and a positioning pin 4 - 1 matching the positioning hole 1 - 1 is disposed on the second tray 4 ;
- the positioning hole 1 - 1 comprises a first positioning hole 1 - 1 a and a second positioning hole 1 - 1 b in communication with each other up and down to form a gourd hole;
- the positioning pin 4 - 1 comprises a second pin 4 - 1 b fixed on the second tray 4 and a first pin 4 - 1 a arranged at the end of the second pin 4 - 1 b , the outer diameter of the first pin 4 - 1 a being larger than that of the second pin 4 - 1 b ;
- the first pin 4 - 1 a matches the first positioning hole 1 - 1 a , and the second pin 4 - 1 b matches the second positioning hole 1 - 1 b ;
- a chute 2 - 2 disposed between a middle portion
- one end of the second tray 4 is turned up and detached from the first pillar group 1 , and the positioning bar 4 - 3 at the other end of the second tray 4 is moved from the positioning groove 2 - 3 to the chute 2 - 2 , so that the second tray 4 is moved downward along the second pillar group 2 and attached thereto, thus making the second tray 4 folded.
- a positioning portion 4 - 2 matching the positioning groove 2 - 1 is respectively arranged at both ends of the second tray 4 in the width direction; the second tray 4 is folded and then attached to the second pillar group 2 , and the positioning portion 4 - 2 at the upper end thereof can be placed in the positioning groove 2 - 1 at the upper end of the second pillar group 2 .
- the first pillar group 1 having a folding point associated with the third tray 5 , can be folded to attach to the third tray 5 .
- the third tray 5 is provided with a hinged seat 7 , on which the lower end of the first pillar group 1 is hinged, so that the first pillar group 1 can be folded along the hinged seat 7 and then attached to the third tray 5 to make the first pillar group 1 folded into a single-deck flat trolley.
- the second pillar group 2 having a folding point associated with the third tray 5 , can be folded to attach to the first tray 3 .
- the third tray 5 is respectively provided at both ends in the width direction with a limit seat 8 , which comprises two limit plates arranged in parallel; the lower portion of the second pillar group 2 is rotatably disposed on the front portion of the two limit plates by the rotating shaft 9 , and the limit plates are provided in the rear with a through slot 8 - 1 provided at an angle to the horizontal direction; a limit rod 11 , disposed in the through slot 8 - 1 , is connected with the rotating shaft 9 through an elastic member 10 ; preferably, the elastic member 10 is a tension spring; a connecting portion is used to connect the two limit rods 11 , so as to adjust the position of the limit rods 11 ; the connecting portion comprises a push rod 12 disposed behind the third tray 5 , and a connecting rod 13 connecting the push rod 12 and the limit rod 11 ; with the push rod 12 in parallel with the limit rod 11 ,
- the limit rod 11 When the elastic member 10 is in a compressed state, the limit rod 11 is located at the upper end of the through slot 8 - 1 to vertically limit the second pillar group 2 ; the limit rod 11 is pulled by the connecting portion to move to the lower end of the through slot 8 - 1 , and the second pillar group 2 is rotatably folded along the limit seat 8 , such that the second pillar group 2 is folded.
- the folded trolley occupying a small space, is easy to store or move.
- a pusher 15 is provided on the second pillar group 2 .
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
Description
-
- 1. First pillar group; 1-1. positioning hole; 1-1 a. first positioning hole; 1-1 b. second positioning hole;
- 2. second pillar group; 2-1. positioning groove; 2-2. chute; 2-3. positioning groove;
- 3. first tray; 3-1. positioning rod;
- 4. second tray; 4-1. positioning pin; 4-1 a. first pin; 4-1 b. second pin; 4-2. positioning portion; 4-3. positioning bar;
- 5. third tray;
- 6. fixing seat; 6-1. fixing portion; 6-2. rotating portion;
- 7. hinged seat;
- 8. limit seat; 8-1. through slot;
- 9. rotating shaft;
- 10. elastic member;
- 11. limit rod;
- 12. push rod;
- 13. connecting rod;
- 14. roller foot;
- 15. pusher;
- 16. connecting rod.
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710644469.2A CN107380228B (en) | 2017-07-31 | 2017-07-31 | Foldable multifunctional trolley |
CN201710644469.2 | 2017-07-31 | ||
PCT/CN2018/107793 WO2019024945A1 (en) | 2017-07-31 | 2018-09-27 | Multifunctional folding push cart |
Publications (2)
Publication Number | Publication Date |
---|---|
US20200180671A1 US20200180671A1 (en) | 2020-06-11 |
US11034370B2 true US11034370B2 (en) | 2021-06-15 |
Family
ID=60343557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/614,557 Active 2038-12-13 US11034370B2 (en) | 2017-07-31 | 2018-09-27 | Multifunctional folding trolley |
Country Status (3)
Country | Link |
---|---|
US (1) | US11034370B2 (en) |
CN (1) | CN107380228B (en) |
WO (1) | WO2019024945A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210394807A1 (en) * | 2020-06-18 | 2021-12-23 | K. Hartwall Oy Ab | Roll container and logistics system comprising the same |
US11612998B1 (en) * | 2020-09-01 | 2023-03-28 | Teran Byington | Slide tray for storage of modular toolboxes |
US20240009829A1 (en) * | 2022-07-11 | 2024-01-11 | Milwaukee Electric Tool Corporation | Mounting Rails for Modular System |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107380228B (en) * | 2017-07-31 | 2019-08-30 | 苏州市新大地五金制品有限公司 | Foldable multifunctional trolley |
US10913474B1 (en) | 2019-07-25 | 2021-02-09 | Trinity International Industries, L.L.C. | Cart with removable table extensions |
USD907877S1 (en) * | 2019-08-01 | 2021-01-12 | Trinity International Industries, L.L.C. | Kitchen cart with removable drop leaves |
USD938126S1 (en) * | 2019-11-15 | 2021-12-07 | Ningbo Meiqi Tool Co., Ltd. | Cart |
CN112012346B (en) * | 2020-08-28 | 2021-09-21 | 常州工学院 | Two-side opening and closing type mechanical folding attic |
USD966750S1 (en) * | 2020-09-15 | 2022-10-18 | MyGift Enterprise, LLC | Records rack |
CN112406983B (en) * | 2020-10-30 | 2023-03-28 | 重庆讯通精密模具有限公司 | Foldable transfer trolley |
CN112550116B (en) * | 2020-12-21 | 2022-01-18 | 安徽工程大学 | Multi-state adjustment unmanned vehicle |
CN113104347A (en) * | 2021-04-28 | 2021-07-13 | 无锡市迈特动力机械有限公司 | Heavy folding pneumatic transport frame |
USD1012410S1 (en) * | 2021-06-10 | 2024-01-23 | Jiangmen Anlong Hardware Technology Co., Ltd. | Storage rack |
USD1014897S1 (en) * | 2021-06-10 | 2024-02-13 | Jiangmen Anlong Hardware Technology Co., Ltd. | Storage rack |
USD981675S1 (en) * | 2022-06-16 | 2023-03-21 | Jiangmen jiuyang supply chain co., ltd | Folding cart |
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CN107380228A (en) | 2017-07-31 | 2017-11-24 | 苏州市新大地五金制品有限公司 | Foldable multifunctional trolley |
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US20180274255A1 (en) * | 2017-03-21 | 2018-09-27 | Imam Abdulrahman Bin Faisal University | Expandable kiosk structure with public service element |
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-
2017
- 2017-07-31 CN CN201710644469.2A patent/CN107380228B/en active Active
-
2018
- 2018-09-27 WO PCT/CN2018/107793 patent/WO2019024945A1/en active Application Filing
- 2018-09-27 US US16/614,557 patent/US11034370B2/en active Active
Patent Citations (12)
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US20060043687A1 (en) | 2004-08-26 | 2006-03-02 | Ira Downs | Mobile work and supply station with crane eyelets and blueprint desk |
US7114733B2 (en) | 2004-08-26 | 2006-10-03 | Ira Downs | Mobile work and supply station with crane eyelets and blueprint desk |
US7806426B2 (en) * | 2006-05-22 | 2010-10-05 | Rubbermaid Commercial Products Llc | Adjustable cart |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20210394807A1 (en) * | 2020-06-18 | 2021-12-23 | K. Hartwall Oy Ab | Roll container and logistics system comprising the same |
US11767046B2 (en) * | 2020-06-18 | 2023-09-26 | K. Hartwall Oy Ab | Roll container and logistics system comprising the same |
US11612998B1 (en) * | 2020-09-01 | 2023-03-28 | Teran Byington | Slide tray for storage of modular toolboxes |
US20240009829A1 (en) * | 2022-07-11 | 2024-01-11 | Milwaukee Electric Tool Corporation | Mounting Rails for Modular System |
Also Published As
Publication number | Publication date |
---|---|
CN107380228A (en) | 2017-11-24 |
WO2019024945A1 (en) | 2019-02-07 |
CN107380228B (en) | 2019-08-30 |
US20200180671A1 (en) | 2020-06-11 |
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